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TECHNICAL INFORMATION OF INDUSTRIAL ROOF VENTILATORS
Back to Industrial Roof Ventilation Systems

Superiority of Industrial Roof Ventilation Systems
The Tornado features such superior qualities as    Tested extraction capacity - report available on request   Comprehensive 5 year guarantee  100% South African product   Patented Bearing system  Top quality of manufacture   Superior internal design of the Tornado eliminates the necessity of external supporting braces  Larger rotating dome for increased extraction capacity    Sealed bearings enclosed in a sealed bearing housing.

Components
  • Dome - vertical mounted blades specially formed to prevent water and dust penetration.
  • Shaft - yellow cadium plated bright mild steel.
  • Bearing System - unique and patented type ZZ lubricated bearings in a reinforced housing to prevent from corrosion.
  • Cylindrical throat - two piece elbow type that will fit most inclined roof tops.
  • Base plate - ensures water and dust proof attachment to the roof.

    Roof Ventilation in different sizes
    Sizes available in: 300, 350, 500, 610 and 715mm

    Material Type
    The Tornado Turbine is available in a choice of Galvanised and Aluminium material.

    Galvanised Tornados are constructed of Iscor specification Z275-0,6mm steel.

    The structure of the galvanised unit makes it more durable and reliable in the long run in terms of:
       high velocity wind areas, hail storms and heavy rain,
       general handling and transportation

    The Aluminium Tornado is recommended for coastal areas.
    Polyurethane treated Tornados are recommended for the ventilation of acid and caustic fumes intensive plants to protect the material from corrosion.

    Specifications of Ventilation Systems
    300mm
    Tornado
    350mm
    Tornado
    500mm
    Tornado
    610mm
    Tornado
    715mm
    Tornado
    Tested Air removing capacity at
    *  15km/h windspeed
    *  25km/h windspeed
    m2 floor coverage per unit

    1489m3/h
    2184m3/h
    38m2

    1863m3/h
    2731m3/h
    50m2

    4495m3/h
    5757m3/h
    120m2

    6807m3/h
    8515m3/h
    180m2

    9257m3/h
    11491m3/h
    260m2
    Sealed bearings in Housing 2 2 2 2 2
    No. of blades 20 21 32 40 46
    Dome height 270mm 280mm 430mm 530mm 580mm
    Dome width 430mm 460mm 660mm 815mm 980mm
    Total height 510mm 610mm 870mm 910mm 1020mm
    Approximate mass:
    *  Galvanised Tornado
    *  Zincalume Tornado
    *  Aluminium Tornado

    6.3kg
    5.7kg
    3.8kg

    7.6kg
    7.2kg
    4.7kg

    15.9kg
    14.7kg
    10.4kg

    24.6kg
    22.4kg
    15.2kg

    38.1kg
    34.05kg
    22.1kg
    Note: The air removing capacity figures shown have been calculated at an average roof height (heat stack) of five metres above working level. Average windspeed = 15km/h.

     
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